Your store. SAPPHIRE 2991E215100SA Vapor-X Radeon HD 7770 GHz Edition 1GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
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Sapphire HD 7770 GHz Edition review | TechRadar
Best Buy: Sapphire Radeon HD 7770 Graphic Card 1150 MHz Core 1 GB GDDR5 SDRAM PCI-Express 3.0 x16 11201-02-20G